1 files changed, 0 insertions, 1 deletions

diff --git a/error.c b/error.c
index 1f4a7235f0..f741620ffe 100644
--- a/error.c
+++ b/error.c
@@ -1108,7 +1108,6 @@ void
 rb_sys_fail(mesg)
     const char *mesg;
 {
-    extern int errno;
     int n = errno;
     VALUE arg;